FIX: do not use scheduler for uploading csv file for invite

Since the bulk invite process already happens in a dedicated Sidekiq job

app/controllers/invites_controller.rb

@@ -165,7 +165,6 @@ class InvitesController < ApplicationController
     name = params[:name] || File.basename(file.original_filename, ".*")
     extension = File.extname(file.original_filename)
 
-    Scheduler::Defer.later("Upload CSV") do
     begin
       data = if extension.downcase == ".csv"
         path = Invite.create_csv(file, name)
@@ -178,7 +177,6 @@ class InvitesController < ApplicationController
       failed_json.merge(errors: [I18n.t("bulk_invite.error")])
     end
     MessageBus.publish("/uploads/csv", data.as_json, user_ids: [current_user.id])
-    end
 
     render json: success_json
   end